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-rw-r--r--tests/basic/afr/sparse-file-self-heal.t121
-rw-r--r--tests/volume.rc10
-rw-r--r--xlators/cluster/afr/src/afr-self-heal-data.c37
3 files changed, 157 insertions, 11 deletions
diff --git a/tests/basic/afr/sparse-file-self-heal.t b/tests/basic/afr/sparse-file-self-heal.t
new file mode 100644
index 0000000..9b795c3
--- /dev/null
+++ b/tests/basic/afr/sparse-file-self-heal.t
@@ -0,0 +1,121 @@
+#!/bin/bash
+
+#This file checks if self-heal of files with holes is working properly or not
+#bigger is 2M, big is 1M, small is anything less
+. $(dirname $0)/../../include.rc
+. $(dirname $0)/../../volume.rc
+
+cleanup;
+
+TEST glusterd
+TEST pidof glusterd
+TEST $CLI volume create $V0 replica 2 $H0:$B0/${V0}{0,1}
+TEST $CLI volume set $V0 data-self-heal-algorithm full
+TEST $CLI volume start $V0
+
+TEST glusterfs --volfile-id=/$V0 --volfile-server=$H0 $M0 --attribute-timeout=0 --entry-timeout=0
+TEST dd if=/dev/urandom of=$M0/small count=1 bs=1M
+TEST dd if=/dev/urandom of=$M0/bigger2big count=1 bs=2M
+TEST dd if=/dev/urandom of=$M0/big2bigger count=1 bs=1M
+
+TEST kill_brick $V0 $H0 $B0/${V0}0
+
+#File with >128k size hole
+TEST truncate -s 1M $M0/big
+big_md5sum=$(md5sum $M0/big | awk '{print $1}')
+
+#File with <128k hole
+TEST truncate -s 0 $M0/small
+TEST truncate -s 64k $M0/small
+small_md5sum=$(md5sum $M0/small | awk '{print $1}')
+
+#Bigger file truncated to big size hole.
+TEST truncate -s 0 $M0/bigger2big
+TEST truncate -s 1M $M0/bigger2big
+bigger2big_md5sum=$(md5sum $M0/bigger2big | awk '{print $1}')
+
+#Big file truncated to Bigger size hole
+TEST truncate -s 2M $M0/big2bigger
+big2bigger_md5sum=$(md5sum $M0/big2bigger | awk '{print $1}')
+
+$CLI volume start $V0 force
+EXPECT_WITHIN 20 "1" afr_child_up_status $V0 0
+EXPECT_WITHIN 20 "Y" glustershd_up_status
+EXPECT_WITHIN 20 "1" afr_child_up_status_in_shd $V0 0
+EXPECT_WITHIN 20 "1" afr_child_up_status_in_shd $V0 1
+TEST gluster volume heal $V0 full
+EXPECT_WITHIN 20 "0" afr_get_pending_heal_count $V0
+
+big_md5sum_0=$(md5sum $B0/${V0}0/big | awk '{print $1}')
+small_md5sum_0=$(md5sum $B0/${V0}0/small | awk '{print $1}')
+bigger2big_md5sum_0=$(md5sum $B0/${V0}0/bigger2big | awk '{print $1}')
+big2bigger_md5sum_0=$(md5sum $B0/${V0}0/big2bigger | awk '{print $1}')
+
+EXPECT $big_md5sum echo $big_md5sum_0
+EXPECT $small_md5sum echo $small_md5sum_0
+EXPECT $big2bigger_md5sum echo $big2bigger_md5sum_0
+EXPECT $bigger2big_md5sum echo $bigger2big_md5sum_0
+
+
+EXPECT "1" has_holes $B0/${V0}0/big
+#Because self-heal writes the final chunk hole should not be there for
+#files < 128K
+EXPECT "0" has_holes $B0/${V0}0/small
+# Since source is smaller than sink, self-heal does blind copy so no holes will
+# be present
+EXPECT "0" has_holes $B0/${V0}0/bigger2big
+EXPECT "1" has_holes $B0/${V0}0/big2bigger
+
+TEST rm -f $M0/*
+
+#check the same tests with diff self-heal
+TEST $CLI volume set $V0 data-self-heal-algorithm diff
+
+TEST dd if=/dev/urandom of=$M0/small count=1 bs=1M
+TEST dd if=/dev/urandom of=$M0/big2bigger count=1 bs=1M
+TEST dd if=/dev/urandom of=$M0/bigger2big count=1 bs=2M
+
+TEST kill_brick $V0 $H0 $B0/${V0}0
+
+#File with >128k size hole
+TEST truncate -s 1M $M0/big
+big_md5sum=$(md5sum $M0/big | awk '{print $1}')
+
+#File with <128k hole
+TEST truncate -s 0 $M0/small
+TEST truncate -s 64k $M0/small
+small_md5sum=$(md5sum $M0/small | awk '{print $1}')
+
+#Bigger file truncated to big size hole
+TEST truncate -s 0 $M0/bigger2big
+TEST truncate -s 1M $M0/bigger2big
+bigger2big_md5sum=$(md5sum $M0/bigger2big | awk '{print $1}')
+
+#Big file truncated to Bigger size hole
+TEST truncate -s 2M $M0/big2bigger
+big2bigger_md5sum=$(md5sum $M0/big2bigger | awk '{print $1}')
+
+$CLI volume start $V0 force
+EXPECT_WITHIN 20 "1" afr_child_up_status $V0 0
+EXPECT_WITHIN 20 "Y" glustershd_up_status
+EXPECT_WITHIN 20 "1" afr_child_up_status_in_shd $V0 0
+EXPECT_WITHIN 20 "1" afr_child_up_status_in_shd $V0 1
+TEST gluster volume heal $V0 full
+EXPECT_WITHIN 20 "0" afr_get_pending_heal_count $V0
+
+big_md5sum_0=$(md5sum $B0/${V0}0/big | awk '{print $1}')
+small_md5sum_0=$(md5sum $B0/${V0}0/small | awk '{print $1}')
+bigger2big_md5sum_0=$(md5sum $B0/${V0}0/bigger2big | awk '{print $1}')
+big2bigger_md5sum_0=$(md5sum $B0/${V0}0/big2bigger | awk '{print $1}')
+
+EXPECT $big_md5sum echo $big_md5sum_0
+EXPECT $small_md5sum echo $small_md5sum_0
+EXPECT $big2bigger_md5sum echo $big2bigger_md5sum_0
+EXPECT $bigger2big_md5sum echo $bigger2big_md5sum_0
+
+EXPECT "1" has_holes $B0/${V0}0/big
+EXPECT "1" has_holes $B0/${V0}0/big2bigger
+EXPECT "0" has_holes $B0/${V0}0/bigger2big
+EXPECT "0" has_holes $B0/${V0}0/small
+
+cleanup
diff --git a/tests/volume.rc b/tests/volume.rc
index 9a06687..9e4843e 100644
--- a/tests/volume.rc
+++ b/tests/volume.rc
@@ -300,5 +300,11 @@ function data_written_count {
echo "$1" | grep "Data Written:$2bytes" | wc -l
}
-
-
+function has_holes {
+ if [ $((`stat -c '%b*%B-%s' -- $1`)) -lt 0 ];
+ then
+ echo "1"
+ else
+ echo "0"
+ fi
+}
diff --git a/xlators/cluster/afr/src/afr-self-heal-data.c b/xlators/cluster/afr/src/afr-self-heal-data.c
index c038515..c0548d9 100644
--- a/xlators/cluster/afr/src/afr-self-heal-data.c
+++ b/xlators/cluster/afr/src/afr-self-heal-data.c
@@ -159,7 +159,7 @@ __afr_selfheal_data_read_write (call_frame_t *frame, xlator_t *this, fd_t *fd,
*/
#define is_last_block(o,b,s) ((s >= o) && (s <= (o + b)))
if (HAS_HOLES ((&replies[source].poststat)) &&
- offset > replies[i].poststat.ia_size &&
+ offset >= replies[i].poststat.ia_size &&
!is_last_block (offset, size,
replies[source].poststat.ia_size) &&
(iov_0filled (iovec, count) == 0))
@@ -268,6 +268,31 @@ afr_selfheal_data_restore_time (call_frame_t *frame, xlator_t *this,
}
static int
+afr_data_self_heal_type_get (afr_private_t *priv, unsigned char *healed_sinks,
+ int source, struct afr_reply *replies)
+{
+ int type = AFR_SELFHEAL_DATA_FULL;
+ int i = 0;
+
+ if (priv->data_self_heal_algorithm == NULL) {
+ type = AFR_SELFHEAL_DATA_FULL;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!healed_sinks[i] && i != source)
+ continue;
+ if (replies[i].poststat.ia_size) {
+ type = AFR_SELFHEAL_DATA_DIFF;
+ break;
+ }
+ }
+ } else if (strcmp (priv->data_self_heal_algorithm, "full") == 0) {
+ type = AFR_SELFHEAL_DATA_FULL;
+ } else if (strcmp (priv->data_self_heal_algorithm, "diff") == 0) {
+ type = AFR_SELFHEAL_DATA_DIFF;
+ }
+ return type;
+}
+
+static int
afr_selfheal_data_do (call_frame_t *frame, xlator_t *this, fd_t *fd,
int source, unsigned char *healed_sinks,
struct afr_reply *replies)
@@ -296,14 +321,8 @@ afr_selfheal_data_do (call_frame_t *frame, xlator_t *this, fd_t *fd,
"source=%d sinks=%s",
uuid_utoa (fd->inode->gfid), source, sinks_str);
- for (i = 0; i < priv->child_count; i++) {
- if (!healed_sinks[i] && i != source)
- continue;
- if (replies[i].poststat.ia_size) {
- type = AFR_SELFHEAL_DATA_DIFF;
- break;
- }
- }
+ type = afr_data_self_heal_type_get (priv, healed_sinks, source,
+ replies);
iter_frame = afr_copy_frame (frame);
if (!iter_frame)